I have Exchange 2003 front-end with RPC over HTTPS.
External users can send and recieve emails.
I try to change password by Outlook form: Tools-->Options-->Advance-->Custom Form-->Password
and I got error.
Same form to change password working good if I connect user to VPN.
Should I configure any speacial settings in RPC proxy to enable password changing?
RPC proxy is inside LAN and NOT DMZ so it can access all servers including PDC emulator and GC.
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